CN110090990B - Method for machining split revolving body part - Google Patents
Method for machining split revolving body part Download PDFInfo
- Publication number
- CN110090990B CN110090990B CN201810089440.7A CN201810089440A CN110090990B CN 110090990 B CN110090990 B CN 110090990B CN 201810089440 A CN201810089440 A CN 201810089440A CN 110090990 B CN110090990 B CN 110090990B
- Authority
- CN
- China
- Prior art keywords
- milling
- outer contour
- contour surface
- straight section
- feed amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/60—Roughing
- B23C2220/605—Roughing and finishing
Abstract
The embodiment of the invention provides a method for processing a split revolving body part, wherein the split revolving body part comprises the following steps: die joint, the straight section of main aspects and outer profile surface, outer profile surface includes: the method comprises the steps of carrying out plane milling on the parting surface, and fixing the parting surface on a horizontal tool; step-by-step rough milling is carried out on the large-end straight section and the outer contour surface; and performing step-by-step finish milling on the large-end straight section and the outer contour surface. According to the method provided by the embodiment of the invention, different feeding amounts are adopted for processing according to different rigidities of all regions of the split revolving body part, so that the phenomenon of cutter back-off is effectively avoided, the processing precision is improved, the processing quality is ensured, and meanwhile, the processing efficiency is improved by a step-by-step processing mode.
Description
Technical Field
The invention relates to the field of machining, in particular to a method for machining a split revolving body part.
Background
The split revolving body part is a key part in aerospace equipment, and the material of the split revolving body part is usually aluminum alloy. In the cutting process, due to the effect of the cutter on the cutting force of the part, the part is elastically deformed, so that the actual cutting amount of the cutter for cutting the part is smaller than the theoretical cutting amount, namely, cutter back-off is generated, and after the mutual contact between the cutter and the part is cancelled, the machining surface of the part rebounds, so that the actual size and the theoretical size of the machining surface are deviated, and the machining precision cannot meet the requirement.
Disclosure of Invention
The embodiment of the invention provides a method for machining a split revolving body part, which aims to solve the problem that machining precision cannot meet requirements due to cutter back-off in the process of machining the split revolving body part.
The embodiment of the invention provides a method for processing a split revolving body part, which comprises the following steps: die joint, the straight section of main aspects and outer profile surface, wherein, outer profile surface includes: a large end region, a middle region, a small end region, and two side edges, the method comprising:
carrying out plane milling on the parting surface, and fixing the parting surface on a horizontal tool;
step-by-step rough milling is carried out on the large-end straight section and the outer contour surface;
and performing step-by-step finish milling on the large-end straight section and the outer contour surface.
Optionally, the step-by-step rough milling processing is performed on the large-end straight section and the outer contour surface, and includes:
and milling the large-end straight section by a first feed amount by using a first end mill, wherein the milling path is an arc line.
Milling a large end region, a middle region and a small end region of the outer contour surface by variable feed amounts by using a first end mill, wherein the large end region of the outer contour surface is milled by the first feed amount, the middle region of the outer contour surface is milled by a second feed amount, the small end region of the outer contour surface is milled by a third feed amount, and the milling path is an inside-out contour line;
and milling two side edges of the outer contour surface by the third feeding amount by using the first end mill, wherein the milling path is a straight line.
Optionally, the first feed amount is: 900-1200 mm/min; the second feed amount is: 1800-2200 mm/min; the third feeding amount is as follows: 2300-2700 mm/min.
Optionally, the spindle speed of the first end mill is 3400-3800 r/min.
Optionally, the diameter of the first end mill is 18-22 mm.
Optionally, the step-by-step finish milling is performed on the large-end straight section and the outer contour surface, and includes:
milling the arc top part of the large-end straight section by adopting a second end mill through a fourth feeding amount, wherein the milling path is a straight line;
and (3) performing bilateral symmetry milling from the arc top part of the large-end straight section to the edge of the large-end straight section by adopting a ball-end milling cutter through a fifth feeding amount, wherein the milling path is an arc line.
Milling an arc top part of a large end region of the outer contour surface by the fifth feeding amount by using the second end mill, wherein the milling path is an inside-out contour line;
milling a non-arc top part, a middle area and a small area of a large end area of the outer contour surface by adopting the ball head milling cutter through variable feed, wherein the non-arc top part of the large end area of the outer contour surface is milled through sixth feed, the middle area of the outer contour surface is milled through seventh feed, the small end area of the outer contour surface is milled through eighth feed, and the milling path is an inside-out contour line;
and milling two side edges of the outer contour surface by the eighth feed amount by using the second end mill, wherein the milling path is a straight line.
Optionally, the fourth feed amount is: 1800-2200 mm/min; the fifth feed amount is: 900-1200 mm/min; the sixth feed amount is: 700-900 mm/min; the seventh feed amount is: 1300-1700 mm/min; the eighth feed amount is: 2300-2700 mm/min.
Optionally, the spindle speed of the second end mill is 3400-3800 r/min; the spindle speed of the ball head milling cutter is 3400-3800 r/min.
Optionally, the diameter of the second end mill is 18-22 mm; the diameter of the ball end mill is 18-22 mm.
Optionally, the method is applied to a milling machine having three or more axes.
The embodiment of the invention has the following beneficial effects:
according to the different regional rigidity of the split revolving body part, different feeding amounts are adopted for processing, the phenomenon of cutter back-off is effectively avoided, the processing precision is improved, the processing quality is guaranteed, and meanwhile, the processing efficiency is improved through a step-by-step processing mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a split rotor component;
FIG. 2 is a bottom view of a bisected body part;
FIG. 3 is a schematic flow chart of a method for splitting a revolving body part according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart of step 302 in FIG. 3;
fig. 5 is a schematic flow chart of step 303 in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, there is shown a construction of a split body of revolution part comprising: die joint 1, the straight section of main aspects 2 and outer profile surface 3, wherein, outer profile surface 3 includes: a large end area 31, a middle area 32, a small end area 33 and two side edges 34, the large end straight section 2 comprises: a curved roof 21 and an edge 22.
Referring to fig. 3, an embodiment of the present invention provides a method for machining a split revolving body part, which includes the following specific steps:
301, carrying out plane milling on the parting surface, and fixing the parting surface on a horizontal tool;
in the embodiment of the present invention, the split surface is subjected to a plane milling process to obtain a horizontal reference surface, and optionally, the split surface is fixed on a horizontal tool by means of bonding.
in the embodiment of the invention, the part is firstly subjected to rough milling, and different feeding amounts are adopted according to different rigidities of all areas of the part.
Specifically, as shown in fig. 4, the method includes the following steps:
in the embodiment of the invention, the large-end straight section is weak in rigidity, and preferably, the first feeding amount is 1000mm/min, wherein the large-end straight section is a cambered surface, so that the milling path is an arc line.
in the embodiment of the invention, aiming at the characteristic that different areas of the outer contour surface have different rigidities, different feed amounts are adopted for milling, and it should be noted that in the process of milling the outer contour surface, the first end mill continuously feeds, the cutting path is a contour line from inside to outside, and the feed amount is changed in the corresponding area according to a preset instruction.
Specifically, a large end region of the outer contour surface is milled by a first feed, a middle region of the outer contour surface is milled by a second feed, and a small end region of the outer contour surface is milled by a third feed. The stiffness of the large end area is weaker, preferably the first feed is 1000mm/min, the stiffness of the middle area is stronger, preferably the second feed is 2000mm/min, and the stiffness of the small end area is stronger, preferably the third feed is 2500 mm/min.
in the embodiment of the present invention, the two side edges are rigid, and preferably, the third feeding amount is 2500mm/min, wherein the two side edges are straight line segments, so the milling path is a straight line.
Preferably, the spindle speed of the first end mill is 3600r/min, and the diameter is 20 mm.
in the embodiment of the invention, the parts are subjected to finish milling, and different feeding amounts are adopted according to different rigidities of all areas of the parts.
Specifically, as shown in fig. 5, the method includes the following steps:
3031, milling the arc top part of the large-end straight section by adopting a second end mill through a fourth feeding amount;
in the embodiment of the invention, in order to avoid the extrusion of the tool nose of the ball-end milling cutter on the arc top of the large-end straight section, the second end milling cutter is selected to mill the arc top of the large-end straight section, the arc top of the large-end straight section has low rigidity, preferably, the fourth feeding amount is 2000mm/min, and the milling path is a straight line.
3032, symmetrically milling two sides of the arc top part of the large-end straight section to the edge of the large-end straight section by adopting a ball-end milling cutter through a fifth feeding amount;
in the embodiment of the invention, the arc top of the large-end straight section is milled towards the edge of the large-end straight section, and the two sides are symmetrically milled, so that the stress balance of parts in the machining process is ensured, and the machining precision is ensured. Preferably, the fifth feed is 1000mm/min and the milling path is an arc.
3033, milling the arc top part of the large end region of the outer contour surface by a second end mill through a fifth feeding amount;
in the embodiment of the invention, in order to avoid the nose of the ball-end mill from extruding the arc top part of the large end region, the second end mill is selected to mill the arc top part of the large end region, the arc top part of the large end region is weak in rigidity, preferably, the fifth feeding amount is 2000mm/min, and the milling path is an inside-out contour line.
3034, milling a non-arc top part, a middle area and a small end area of a large end area of the outer contour surface by adopting a ball head milling cutter through variable feed amount;
in the embodiment of the invention, aiming at the characteristic that different areas of the outer contour surface have different rigidities, different feed amounts are adopted for milling, and it should be noted that in the process of milling the outer contour surface, the ball-end milling cutter continuously feeds, the cutting path is a contour line from inside to outside, and the feed amount is changed in the corresponding area according to a preset instruction.
Specifically, the non-dome portion of the large end region of the outer contour surface is milled at a sixth feed, the middle region of the outer contour surface is milled at a seventh feed, and the small end region of the outer contour surface is milled at an eighth feed. The non-curved top section of the large end area is less stiff, preferably 800mm/min for the sixth feed, more stiff in the middle area, preferably 1500mm/min for the seventh feed, and more stiff in the small end area, preferably 2500mm/min for the eighth feed.
3035, milling two side edges of the outer contour surface by adopting a second end mill through eighth feeding amount;
in the embodiment of the present invention, the rigidity of the two side edges is strong, preferably, the eighth feeding amount is 2500mm/min, and the milling path is a straight line.
Preferably, the rotating speed of the main shaft of the second end mill is 3600r/min, and the diameter is 20 mm; the spindle speed of the ball end mill is 3600r/min, and the diameter is 20 mm.
In the steps of the method, the outer contour surface is a conical surface, the area of the conical surface is processed, and the milling path adopts contour lines from inside to outside, so that the roundness precision of each circular arc section is ensured.
The embodiment of the invention also provides a milling machine, wherein the milling machine is used for processing the split revolving body part by adopting the method, and further, the milling machine is a milling machine with more than three shafts.
According to the method provided by the embodiment of the invention, different feeding amounts are adopted for processing according to different rigidities of all regions of the split revolving body part, so that the phenomenon of cutter back-off is effectively avoided, the processing precision is improved, the processing quality is ensured, and meanwhile, the processing efficiency is improved by a step-by-step processing mode.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. A method of machining a split rotor part, the split rotor part comprising: die joint, the straight section of main aspects and outer profile surface, wherein, outer profile surface includes: a large end region, a middle region, a small end region, and two side edges, the method comprising:
carrying out plane milling on the parting surface, and fixing the parting surface on a horizontal tool;
step-by-step rough milling is carried out on the large-end straight section and the outer contour surface;
step-by-step finish milling is carried out on the large-end straight section and the outer contour surface;
the step-by-step rough milling processing is carried out on the large-end straight section and the outer contour surface, and the step-by-step rough milling processing comprises the following steps:
milling the large-end straight section by a first feed amount by using a first end mill, wherein the milling path is an arc line;
milling a large end region, a middle region and a small end region of the outer contour surface by variable feed amount by using a first end mill, wherein the large end region of the outer contour surface is milled by the first feed amount, the middle region of the outer contour surface is milled by a second feed amount, the small end region of the outer contour surface is milled by a third feed amount, the first end mill continuously feeds, and the milling path is an inside-out contour line;
milling two side edges of the outer contour surface by the third feed amount by using the first end mill, wherein the milling path is a straight line;
the step-by-step finish milling processing is carried out on the large-end straight section and the outer contour surface, and the step-by-step finish milling processing comprises the following steps:
milling the arc top part of the large-end straight section by adopting a second end mill through a fourth feeding amount, wherein the milling path is a straight line;
performing bilateral symmetry milling from the arc top part of the large-end straight section to the edge of the large-end straight section by adopting a ball-end milling cutter through a fifth feeding amount, wherein the milling path is an arc line;
milling an arc top part of a large end region of the outer contour surface by the fifth feeding amount by using the second end mill, wherein the milling path is an inside-out contour line;
milling a non-arc top part, a middle area and a small area of a large end area of the outer contour surface by adopting the ball head milling cutter through variable feed, wherein the non-arc top part of the large end area of the outer contour surface is milled through sixth feed, the middle area of the outer contour surface is milled through seventh feed, the small end area of the outer contour surface is milled through eighth feed, the ball head milling cutter continuously moves, and the milling path is an inside-out contour line;
and milling two side edges of the outer contour surface by the eighth feed amount by using the second end mill, wherein the milling path is a straight line.
2. The method of claim 1,
the first feed amount is: 900-1200 mm/min;
the second feed amount is: 1800-2200 mm/min;
the third feeding amount is as follows: 2300-2700 mm/min.
3. The method of claim 2, wherein the spindle speed of the first end mill is 3400-3800 r/min.
4. The method according to claim 3, wherein the first end mill has a diameter of 18-22 mm.
5. The method of claim 1,
the fourth feed amount is: 1800-2200 mm/min;
the fifth feed amount is: 900-1200 mm/min;
the sixth feed amount is: 700-900 mm/min;
the seventh feed amount is: 1300-1700 mm/min;
the eighth feed amount is: 2300-2700 mm/min.
6. The method of claim 5, wherein the spindle speed of the second end mill is 3400-3800 r/min; the spindle speed of the ball head milling cutter is 3400-3800 r/min.
7. The method according to claim 6, wherein the second end mill has a diameter of 18-22 mm; the diameter of the ball end mill is 18-22 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089440.7A CN110090990B (en) | 2018-01-30 | 2018-01-30 | Method for machining split revolving body part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089440.7A CN110090990B (en) | 2018-01-30 | 2018-01-30 | Method for machining split revolving body part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110090990A CN110090990A (en) | 2019-08-06 |
| CN110090990B true CN110090990B (en) | 2020-07-14 |
Family
ID=67442162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089440.7A Active CN110090990B (en) | 2018-01-30 | 2018-01-30 | Method for machining split revolving body part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090990B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843623B (en) * | 2020-06-17 | 2022-07-29 | 上海烟草机械有限责任公司 | On-machine measurement method and finish machining method of track curved surface |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590587A (en) * | 2008-05-29 | 2009-12-02 | 上海电气集团股份有限公司 | A kind of integral impeller processing method |
| CN103645674A (en) * | 2013-11-29 | 2014-03-19 | 华中科技大学 | A method for generating a mixed path of rough-semifine-fine milling of an integrated impeller blade |
| CN104439452A (en) * | 2014-11-24 | 2015-03-25 | 湖北三江航天红阳机电有限公司 | Efficient grid milling method for inner curved surface of tapered revolving body |
| CN104772648A (en) * | 2015-04-09 | 2015-07-15 | 西安工业大学 | Milling processing method for thin-wall workpiece of airplane |
| CN105033338A (en) * | 2015-08-10 | 2015-11-11 | 湖北三江航天红阳机电有限公司 | Machining method for forming centripetal notches in titanium alloy and glass fiber reinforced plastic composite conical part |
| CN105880695A (en) * | 2014-09-30 | 2016-08-24 | 安徽应流机电股份有限公司 | Method for processing inner taper holes of multiple arc sections |
| CN106238788A (en) * | 2016-08-19 | 2016-12-21 | 湖北三江航天红阳机电有限公司 | On a kind of double tapered revolving parts, even depth weakens groove processing method |
| CN108213531A (en) * | 2017-11-29 | 2018-06-29 | 内蒙古北方重工业集团有限公司 | The processing method of semicircle thin-wall part |
-
2018
- 2018-01-30 CN CN201810089440.7A patent/CN110090990B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590587A (en) * | 2008-05-29 | 2009-12-02 | 上海电气集团股份有限公司 | A kind of integral impeller processing method |
| CN103645674A (en) * | 2013-11-29 | 2014-03-19 | 华中科技大学 | A method for generating a mixed path of rough-semifine-fine milling of an integrated impeller blade |
| CN105880695A (en) * | 2014-09-30 | 2016-08-24 | 安徽应流机电股份有限公司 | Method for processing inner taper holes of multiple arc sections |
| CN104439452A (en) * | 2014-11-24 | 2015-03-25 | 湖北三江航天红阳机电有限公司 | Efficient grid milling method for inner curved surface of tapered revolving body |
| CN104772648A (en) * | 2015-04-09 | 2015-07-15 | 西安工业大学 | Milling processing method for thin-wall workpiece of airplane |
| CN105033338A (en) * | 2015-08-10 | 2015-11-11 | 湖北三江航天红阳机电有限公司 | Machining method for forming centripetal notches in titanium alloy and glass fiber reinforced plastic composite conical part |
| CN106238788A (en) * | 2016-08-19 | 2016-12-21 | 湖北三江航天红阳机电有限公司 | On a kind of double tapered revolving parts, even depth weakens groove processing method |
| CN108213531A (en) * | 2017-11-29 | 2018-06-29 | 内蒙古北方重工业集团有限公司 | The processing method of semicircle thin-wall part |
Non-Patent Citations (2)
| Title |
|---|
| 在铣床上加工长圆锥形弧面;彭美雅;《机械制造》;19860331;第24页、图1-2 * |
| 彭美雅.在铣床上加工长圆锥形弧面.《机械制造》.1986, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110090990A (en) | 2019-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104999118B (en) | High-efficiency special drilling head for drilling holes in carbon fiber composite material | |
| CN102717115B (en) | High-speed intermittent ultrasonic vibration cutting method for low-rigidity parts | |
| CN102089106B (en) | Method of cutting tree-shaped groove and rotary cutting tool | |
| CN104439452B (en) | A kind of interior grid surface high-efficient milling method of taper revolving body | |
| CN101407016A (en) | Method for processing turbine runner shaft | |
| CN110293252B (en) | Machining method for stable closed-angle structure | |
| CN110090990B (en) | Method for machining split revolving body part | |
| CN106794525A (en) | Tangential cutting insert and the milling cutter including the cutting tip | |
| CN105665806A (en) | PCD (polycrystalline diamond) milling cutter and machining method therefor | |
| CN110270800A (en) | The processing method that a kind of whirlpool increases bearing | |
| CN107931678A (en) | A kind of half casing taper surface high speed milling method of high temperature alloy point | |
| WO2019003965A1 (en) | Ball end mill | |
| CN103737090B (en) | A kind of fine finishining rotary cutting tool | |
| CN107728576B (en) | multi-axis numerical control machining cutter shaft vector optimization method based on cutter stress deformation | |
| CN109262038A (en) | A kind of multi-functional rose cutter | |
| CN109590525B (en) | Special composite end mill for mobile phone middle frame and mobile phone middle frame milling method | |
| CN102848152A (en) | Processing method of manipulators | |
| CN203044932U (en) | Composite deep hole guide boring cutter | |
| CN216541055U (en) | Taper ball end milling cutter | |
| CN106002133B (en) | A kind of cylinder body intersects the processing method of deep hole | |
| CN101716688A (en) | Processing method of special electric power fitting taper sleeve taper hole for carbon fibre compound core wires and special device thereof | |
| CN105478799B (en) | The knife car of slender axles one into method | |
| CN107790968A (en) | A kind of processing method of aero-engine clamshell type ball bearing | |
| JP3156158U (en) | Strong twist corner rounding cutter | |
| CN106735488A (en) | It is a kind of can high-speed cutting slotting cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |